/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/MeshInspectorTool.h
Override this function to register the set of Actions this Tool supports, usingFInteractiveToolActionSet::RegisterAction. Note that for the actions to be triggered, you will also need to add corresponding registration per tool  see Engine\Plugins\Editor\ModelingToolsEditorMode\Source\ModelingToolsEditorMode\Public\ModelingToolsActions.h for examples
virtual void RegisterActions ( [FInteractiveToolActionSet](API\Runtime\InteractiveToolsFramework\FInteractiveToolActionSet) & ActionSet )